CLOSURE MEANS FOR A CONTAINER WITH A SCREW-THREADED NECK

摘要

The present invention relates to a stopping element made of a cylindrical cap 11 threaded inside and intended for being screwed onto the corresponding threading of the neck of the flask, the cap being joined to an outer member 8. According to the invention, the threaded cap 11 and the member 8 are movable relative to each other axially and joinly in rotation. The invention provides the bringing into coincidence of the cross-sections of the flask and of the outer member.